Re: Raid 10 chunksize

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От Greg Smith
Тема Re: Raid 10 chunksize
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Msg-id alpine.GSO.2.01.0904032200280.25708@westnet.com
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Ответ на Re: Raid 10 chunksize  (david@lang.hm)
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On Fri, 3 Apr 2009, david@lang.hm wrote:

> also note that the message from Ted was back in 2004, there has been a _lot_
> of work done on XFS in the last 4 years.

Sure, I know they've made progress, which is why I didn't also bring up
older ugly problems like delayed allocation issues reducing files to zero
length on XFS.  I thought that particular issue was pretty fundamental to
the logical journal scheme XFS is based on.  What's you'll get out of disk
I/O at smaller than the block level is pretty unpredictable when there's a
failure.

--
* Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD

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